Datasheet

1075
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
Notes: 1. 1.8V domain: VDDIO from 1.65V to 1.95V, maximum external capacitor = 20pF
2. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 40pF.
SPI
10
MOSI Setup time before SCK falls
1.8v domain
(1)
3.3v domain
(2)
2 * MCK + 2.9
2 * MCK + 2.8
ns
SPI
11
MOSI Hold time after SCK falls
1.8v domain
(1)
3.3v domain
(2)
2.1
1.8
ns
SPI
12
NPCS0 setup to SCK rising
1.8v domain
(1)
3.3v domain
(2)
2.5 * MCK + 1.4
2.5 * MCK + 1.2
ns
SPI
13
NPCS0 hold after SCK falling
1.8v domain
(1)
3.3v domain
(2)
1.5 * MCK + 2.5
1.5 * MCK + 2.2
ns
SPI
14
NPCS0 setup to SCK falling
1.8v domain
(1)
3.3v domain
(2)
2.5 * MCK + 0.9
2.5 * MCK + 0.8
ns
SPI
15
NPCS0 hold after SCK rising
1.8v domain
(1)
3.3v domain
(2)
1.5 * MCK + 2.1
1.5 * MCK + 1.9
ns
Table 46-46. USART SPI Timings (Continued)
Symbol Parameter Conditions Min Max Units